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Mirrors > Home > MPE Home > Th. List > domentr | Structured version Visualization version GIF version |
Description: Transitivity of dominance and equinumerosity. (Contributed by NM, 7-Jun-1998.) |
Ref | Expression |
---|---|
domentr | ⊢ ((𝐴 ≼ 𝐵 ∧ 𝐵 ≈ 𝐶) → 𝐴 ≼ 𝐶) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | endom 8519 | . 2 ⊢ (𝐵 ≈ 𝐶 → 𝐵 ≼ 𝐶) | |
2 | domtr 8545 | . 2 ⊢ ((𝐴 ≼ 𝐵 ∧ 𝐵 ≼ 𝐶) → 𝐴 ≼ 𝐶) | |
3 | 1, 2 | sylan2 595 | 1 ⊢ ((𝐴 ≼ 𝐵 ∧ 𝐵 ≈ 𝐶) → 𝐴 ≼ 𝐶) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 399 class class class wbr 5030 ≈ cen 8489 ≼ cdom 8490 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2770 ax-sep 5167 ax-nul 5174 ax-pow 5231 ax-pr 5295 ax-un 7441 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3an 1086 df-tru 1541 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2598 df-eu 2629 df-clab 2777 df-cleq 2791 df-clel 2870 df-nfc 2938 df-ral 3111 df-rex 3112 df-rab 3115 df-v 3443 df-dif 3884 df-un 3886 df-in 3888 df-ss 3898 df-nul 4244 df-if 4426 df-pw 4499 df-sn 4526 df-pr 4528 df-op 4532 df-uni 4801 df-br 5031 df-opab 5093 df-id 5425 df-xp 5525 df-rel 5526 df-cnv 5527 df-co 5528 df-dm 5529 df-rn 5530 df-fun 6326 df-fn 6327 df-f 6328 df-f1 6329 df-f1o 6331 df-en 8493 df-dom 8494 |
This theorem is referenced by: domdifsn 8583 xpdom1g 8597 domunsncan 8600 sdomdomtr 8634 domen2 8644 mapdom2 8672 php 8685 unxpdom2 8710 sucxpdom 8711 xpfir 8724 fodomfi 8781 cardsdomelir 9386 infxpenlem 9424 xpct 9427 infpwfien 9473 inffien 9474 mappwen 9523 iunfictbso 9525 djuxpdom 9596 cdainflem 9598 djuinf 9599 djulepw 9603 ficardun2 9613 ficardun2OLD 9614 unctb 9616 infdjuabs 9617 infunabs 9618 infdju 9619 infdif 9620 infxpdom 9622 pwdjudom 9627 infmap2 9629 fictb 9656 cfslb 9677 fin1a2lem11 9821 fnct 9948 unirnfdomd 9978 iunctb 9985 alephreg 9993 cfpwsdom 9995 gchdomtri 10040 canthp1lem1 10063 pwfseqlem5 10074 pwxpndom 10077 gchdjuidm 10079 gchxpidm 10080 gchpwdom 10081 gchhar 10090 inttsk 10185 inar1 10186 tskcard 10192 znnen 15557 qnnen 15558 rpnnen 15572 rexpen 15573 aleph1irr 15591 cygctb 19005 1stcfb 22050 2ndcredom 22055 2ndcctbss 22060 hauspwdom 22106 tx2ndc 22256 met1stc 23128 met2ndci 23129 re2ndc 23406 opnreen 23436 ovolctb2 24096 ovolfi 24098 uniiccdif 24182 dyadmbl 24204 opnmblALT 24207 vitali 24217 mbfimaopnlem 24259 mbfsup 24268 aannenlem3 24926 dmvlsiga 31498 sigapildsys 31531 omssubadd 31668 carsgclctunlem3 31688 finminlem 33779 phpreu 35041 lindsdom 35051 mblfinlem1 35094 pellexlem4 39773 pellexlem5 39774 pr2dom 40235 tr3dom 40236 nnfoctb 41681 ioonct 42174 subsaliuncl 42998 caragenunicl 43163 aacllem 45329 |
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